The calculation equation of the economic insulatinglayerthickness in different service life was (derived) through the life cycle economical analysis of the mini-cold storage.
通过有限生命周期内微型冷库经济性能的分析，推导了微型冷库在使用年限不同时的经济保温层厚度计算公式。
2
Findings show that, for be in the wrong frozen soil wrought in favor of thermal disturbance, insulatinglayerthickness respond adopt dam insulating pipe hull skin temperature 'calculation procedure.
研究结果表明，为不对冻土造成较大热扰动，保温层厚度应采用控制保温管外表面温度的计算方法。
3
Meanwhile, the economic flow rate, optimum diameter and economic insulatinglayerthickness of the equipment and pipeline have been obtained with the model, which provide a basis for pipeline design.